2660525 has 24 divisors (see below), whose sum is σ = 3940224. Its totient is φ = 1742400.

The previous prime is 2660521. The next prime is 2660527. The reversal of 2660525 is 5250662.

It is a happy number.

It is not a de Polignac number, because 2660525 - 2² = 2660521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2660494 and 2660503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3695 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (164176).

2^2660525 is an apocalyptic number.

2660525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2660525 is a deficient number, since it is larger than the sum of its proper divisors (1279699).

2660525 is a wasteful number, since it uses less digits than its factorization.

2660525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2660525 is about 1631.1115841658. Note that the first 3 decimals coincide. The cubic root of 2660525 is about 138.5657131896.

The spelling of 2660525 in words is "two million, six hundred sixty thousand, five hundred twenty-five".